The Giant Magellan Telescope. Status By Dr. Mauricio Pilleux Head of Administration (Chile) GMTO Corporation [email protected] April 17, 2019 Observatories in Chile: The beginnings … a successful experiment Cerro Tololo Interamerican Observatory AURA, 1962 Magellan telescopes, 2000 Las Campanas Carnegie Institution of Washington, 1968 La Silla ESO, 1969 2 Observatories in Chile: “Second stage” Very Large Telescope (VLT) Cerro Paranal, ESO, 1999 Gemini South Cerro Pachón, 2002 (AURA) ALMA NRAO-ESO-NAOJ, 2013 3 Observatories in Chile: “Stage 3.0” – big, big, big Giant Magellan Telescope (GMT) Cerro Las Campanas, 2023 (GMTO Corporation) European- Extremely Large Telescope (EELT) Cerro Armazones, 2026 (ESO) Large Synoptic Survey Telescope (LSST) Cerro Pachón, 2022 (NSF/AURA-DOE/SLAC) 4 What next? Size (physical) GMT TMT EELT LSST Main Author – Presentation Title Observatories in Chile: Where? ALMA CCAT* Nanten 2 ASTE Paranal Vista ACT 2 3 E-ELT* TAO* Apex CTA* Las Campanas GMT* Polar Bear Simons Obs. La Silla 1 Tololo SOAR Gemini LSST* 6 Giant Magellan Telescope (GMT): Will be the largest in the world in 2022 25 meters in diameter “Price”: US$1340 million First light: 2023 Enclosure is 62 m high Groundbreaking research in: . Exoplanets and their atmospheres . Dark matter . Distant objects . Unknown unknowns 7 Just how tall is the GMT? 46 meters 8 Giant Magellan Telescope (GMT): The world’s largest optical telescope Korea Sao Paulo, Brazil Texas A&M Arizona New partners are welcome! Main Author – Presentation Title 9 Central mirror casting – Sep 2015 Ohara glass, Japan Main Author – Presentation Title Casting of Mirror #5 – Nov 2017 Main Author – Presentation Title Las Campanas Observatory Meteorological towers Enclosure diameter Summit GMT – 56 m offices Telescope foundation – 22 m Main Author – Presentation Title Excavation of the telescope enclosure August 2018-January 2019 Main Author – Presentation Title 13 Main Author – Presentation Title 14 Main Author – Presentation Title 15 GMT Enclosure Altura: 60,5 m Main Author – Presentation Title GMT Facilities Safety first Residence with 92 rooms – maximum capacity: 228 . Large kitchen and dining room . Recreation area Wide road ready – allows access to wide loads Hard-rock excavation for telescope enclose and auxiliary buildings is ready Water and telescope/enclosure cooling system utilities IT . Datacenter: AWS . Chile backup (Las Campanas & Santiago) Main Author – Presentation Title Water & Utilities Package Construction Main Author – Presentation Title ¡Muchas gracias! Contact: Dr. Mauricio Pilleux – [email protected] 19.